Yes, but it's pretty useless, tiresome and disgusting to do so and i don't think anyone would do such a thing...

A necromancer would disagree with you there.

necromancer would be the sort of thing - i just thought it was one way of giving a slightly different motivation to your character as they journey round the world

my next party character will be a PC gnome cleric/thief who will collect every gemstone she finds and never sell them (i haven't decided about jewelery) - you can imagine it can't you? "put that plate mail +1 down, i need the slot to carry this bloodstone . . ."

Yeah, i guess a necromancer would need all the body pieces for his spells or something, or trophies or some such. And if you want to collect gems, that would be cool, also don't miss the Beljuril gem, you can get 3 of them in the game and if you don't have enough space use gem bags or/and the Bag of Holding